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Silicium dioxyde 99.998% (sur base traces de métaux)

Silicium dioxyde 99.998% (sur base traces de métaux)

Supplier: Thermo Fisher Scientific

Silicium dioxyde 99.998% (sur base traces de métaux)

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Silicium dioxyde 99,999%

Supplier: Apollo Scientific

Silicium dioxyde 99,999%

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Silicium dioxyde ≥99.0% (base métaux)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.0% (base métaux)

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Silicium dioxyde 99.9%, en poudre 1,0 µm

Supplier: Thermo Fisher Scientific

Silicium dioxyde 99.9%, en poudre 1,0 µm

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Silicium dioxyde dans l'éthylène glycol, dispersion colloïdale

Supplier: Thermo Fisher Scientific

Silicium dioxyde dans l'éthylène glycol, dispersion colloïdale

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Silicium dioxyde ≥99.995% (base métaux)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.995% (base métaux)

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Silicium dioxyde ≥99.999% (base métaux), Puratronic®

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.999% (base métaux), Puratronic®

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Silicium dioxyde 30% dans l'éthylène glycol, dispersion colloïdale

Supplier: Thermo Fisher Scientific

Silicium dioxyde 30% dans l'éthylène glycol, dispersion colloïdale

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Silicium dioxyde 30% dans l'éthylène glycol, dispersion colloïdale

Supplier: Thermo Fisher Scientific

Silicium dioxyde 30% dans l'éthylène glycol, dispersion colloïdale

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Silicium dioxyde 99.9%, en poudre 1,5 µm

Supplier: Thermo Fisher Scientific

Silicium dioxyde 99.9%, en poudre 1,5 µm

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Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 76.2 mm (3.0 in), Epaisseur: 6.35 mm (0.250 in)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 76.2 mm (3.0 in), Epaisseur: 6.35 mm (0.250 in)

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Silicium dioxyde ≥99.99% (base métaux)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.99% (base métaux)

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Silicium dioxyde 99.9%, en poudre 0,5 µm

Supplier: Thermo Fisher Scientific

Silicium dioxyde 99.9%, en poudre 0,5 µm

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CAB-O-SIL® M-5

CAB-O-SIL® M-5

Supplier: Thermo Fisher Scientific

CAB-O-SIL® M-5

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Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 50.8 mm (2.0 in), Epaisseur: 6.35 mm (0.250 in)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 50.8 mm (2.0 in), Epaisseur: 6.35 mm (0.250 in)

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Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 50.8 mm (2.0 in), Epaisseur: 3.18 mm (0.125 in)

Supplier: Thermo Fisher Scientific

Silicium dioxyde ≥99.995% (base métaux), cible de pulvérisation, Ø 50.8 mm (2.0 in), Epaisseur: 3.18 mm (0.125 in)

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Silicium dioxyde ≥99.5% (base métaux)

Supplier: Thermo Fisher Scientific

Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, silica is a common additive in the production of foods and pharmaceutical products.

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Silicium dioxyde, Purum p.a. 40-200 mesh, Fluka™

Supplier: Honeywell Chemicals

Silicium dioxyde, Purum p.a. 40-200 mesh, Fluka™

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Silicium dioxyde pour nettoyage des creusets en platine, calciné, brut, Fluka™

Supplier: Honeywell Chemicals

Silicium dioxyde pour nettoyage des creusets en platine, calciné, brut, Fluka™

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Silicium dioxyde ~99% 0.5-10 μm (∼ 80% 1-5 μm), Fluka™

Supplier: Honeywell Chemicals

Synonyms: Sand; white quartz; quartz; silicon dioxide.

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Silicium dioxyde, Ecochrom™ 32-63 µm

Supplier: MP Biomedicals

Silicium dioxyde, Ecochrom™ 32-63 µm

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Silicium dioxyde, Ecochrom™ 63-200 µm (Pore size 60 Å)

Supplier: MP Biomedicals

Silicium dioxyde, Ecochrom™ 63-200 µm (Pore size 60 Å)

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Silicium dioxyde, Ecochrom™ 32-63 µm

Supplier: MP Biomedicals

Silicium dioxyde, Ecochrom™ 32-63 µm

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Silicium dioxyde, Silitech

Supplier: MP Biomedicals

Mean Pore Size: 60Å
Particle Size: 32-63 µm

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Silicium dioxyde, Ecochrom™ 63-200 µm (Pore size 60 Å)

Supplier: MP Biomedicals

Silicium dioxyde, Ecochrom™ 63-200 µm (Pore size 60 Å)

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Silicium dioxyde 99.0-100.5% (substance calcinée, KT), dispersion colloïdale, EMPROVE® ESSENTIAL Ph. Eur., JP, NF, E551, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS

Silicium dioxyde 99.0-100.5% (substance calcinée, KT), dispersion colloïdale, EMPROVE® ESSENTIAL Ph. Eur., JP, NF, E551, SAFC®

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Silicium dioxyde

Supplier: MP Biomedicals

Specific Surface Area: 500-600 m2/g
Particle Size: 63-100 µm
Weight: 0.4-0.5 g/ml pH: 7.0

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Silicium dioxyde, MP EcoChrom™, actif

Supplier: MP Biomedicals

MP EcoChrom™ Silica is used in adsorption and partition chromatography. It is not only suitable for separation of non-polar substances but also for solvent purification and all other applications where it is necessary to remove small quantities of polar impurities from a non-polar matrix.
MP EcoChrom™ Silica is an oxide of silicon+CS75.

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Silicium dioxyde, MP Ecochrom™, actif

Supplier: MP Biomedicals

MP EcoChrom™ Silica is used in adsorption and partition chromatography. It is not only suitable for separation of non-polar substances but also for solvent purification and all other applications where it is necessary to remove small quantities of polar impurities from a non-polar matrix.

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Silicium dioxyde 200-500 µm

Supplier: MP Biomedicals

MP EcoChrom™ SILICA is used as a suspending and thickening agent in pharmaceutical.A silica-based aerogel was used in the Stardust spacecraft to collect extraterrestrial particles. Silica is also used in the extraction of DNA and RNA due to its ability to bind to the nucleic acids under the presence of chaotropes. As hydrophobic silica it is used as a defoamer component. In hydrated form, it is used in toothpaste as a hard abrasive to remove tooth plaque. SiO2 has a number of distinct crystalline forms (polymorphs) in addition to amorphous forms. In the majority of silicates, the Si atom shows tetrahedral coordination, with 4 oxygen atoms surrounding a central Si atom.

MP EcoChrom™ Silica, the chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula SiO2 with a mean pore size of 60Å and particles size of 200-500μm. MP silica are free of particles outside the standard range. The irregular shape of MP Silica permits the easy packing of column permeability and plate number. They allow easy switching from one sieve cut to another, offering an easy way to change the chromatographic methods. It has been known for its hardness since ancient times. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.

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